Purobot Ultra vs ScoopFree Crystal Smart
One requires the maker's own litter, the other takes standard litter
Petkit Purobot Ultra
Buy now$799.99
Currently listed at $799.99 on petkit.com against a regular price of $899.99.
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PetSafe ScoopFree Crystal Smart
Buy now$269.99
List price on petsafe.com; the covered version is sold separately.
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Where the published data differs
Every line below is computed from the two manufacturers’ own figures. Attributes neither brand publishes are omitted.
- ScoopFree Crystal Smart lists at $269.99, $530 below Purobot Ultra at $799.99.
- Proprietary litter required: published for ScoopFree Crystal Smart, not for Purobot Ultra.
- Proprietary waste bags required: published for Purobot Ultra, not for ScoopFree Crystal Smart.
- Litter type required: Purobot Ultra — Clumping clay, tofu or mixed litter, particle length up to 12 mm; ScoopFree Crystal Smart — ScoopFree Crystal Litter disposable tray.
- Cleaning cycle trigger: Purobot Ultra — Automatic after the cat exits, with app scheduling; ScoopFree Crystal Smart — Timed rake cycle after the cat exits.
- Odor control method: Purobot Ultra — Auto-sealed waste bags with contactless packing; ScoopFree Crystal Smart — Crystal litter absorption in a disposable tray.
- Power source: Purobot Ultra — AC adapter, 12V/4A; ScoopFree Crystal Smart — AC adapter.
Full specification comparison
| Attribute | Purobot Ultra | ScoopFree Crystal Smart |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | Not published |
| Maximum cat weight | 22 lbs | Not published |
| Waste drawer capacity | 10 L | Not published |
| Litter type required | Clumping clay, tofu or mixed litter, particle length up to 12 mm | ScoopFree Crystal Litter disposable tray |
| Proprietary litter required | No | Yes |
| Proprietary waste bags required | Yes | No |
| Subscription required | No | No |
| Cleaning cycle trigger | Automatic after the cat exits, with app scheduling | Timed rake cycle after the cat exits |
| Adjustable cycle delay | Yes | Not published |
| App control | Yes | Yes |
| Weight sensing | Yes | Not published |
| Health monitoring | Yes | Yes |
| Odor control method | Auto-sealed waste bags with contactless packing | Crystal litter absorption in a disposable tray |
| Entry height | 10.43 in | Not published |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 20.94 x 32.2 x 24.09 in | Not published |
| Operating noise | Not published by either | Not published by either |
| Power source | AC adapter, 12V/4A | AC adapter |
| Battery backup | No | Not published |
| Warranty | 24 months | Not published |